Patents by Inventor Sung Wan Pyo

Sung Wan Pyo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11545629
    Abstract: Disclosed herein is an organic light-emitting diode capable of operating at a low voltage with high efficiency. It comprises: a first electrode; a second electrode facing the first electrode; and a light-emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer comprises at least one of the amine compounds represented by the following Chemical Formula A or B, and the compound represented by the following Chemical Formula C. Chemical Formulas A, B and C are as described in the Specification.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: January 3, 2023
    Assignee: SFC CO., LTD.
    Inventors: Sung-Wan Pyo, So Young Shim, Yun-Ah Lee, Se Jin Yu
  • Patent number: 11522136
    Abstract: Disclosed herein is an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and an electron-blocking layer and a light-emitting layer sequentially interposed between the first electrode and the second electrode, wherein the light-emitting layer comprises at least one of the amine compounds represented by the following Chemical Formula A or B, and the electron-blocking layer comprises the compound represented by the following Chemical Formula C. Chemical Formulas A, B and C are as described in the Specification.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: December 6, 2022
    Assignee: SFC CO., LTD.
    Inventors: Sung-Wan Pyo, So Young Shim, Yun-Ah Lee, Se Jin Yu
  • Patent number: 10790450
    Abstract: Disclosed herein is an organic light-emitting diode, comprising: an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; a light-emitting layer intercalated between the first electrode and the second electrode, wherein the light-emitting layer comprises at least one of the amine compounds represented by Chemical Formula A or B, and at least one of the anthracene compounds represented by Chemical Formula C.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: September 29, 2020
    Assignee: SFC CO., LTD.
    Inventors: Sung-Wan Pyo, So Young Shim, Se Jin Yu
  • Patent number: 10693084
    Abstract: The present invention relates to an anthracene derivative selected from among compounds represented by Chemical Formulas A-1, A-2, B-1, and B-2, and an organic light-emitting device including the same. Structures of individual moieties in the anthracene derivative are as defined in the specification.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: June 23, 2020
    Assignee: SFC CO., LTD.
    Inventors: Seok-Bae Park, Hee-Dae Kim, Yoona Shin, Sang-woo Park, Soon-Wook Cha, Young-Hwan Park, Seo-Yeon Yoon, Sung-Wan Pyo
  • Patent number: 10486191
    Abstract: Disclosed is an apparatus for evaluation of a deposition process in organic thin film-manufacturing processes using a chamber employing a deposition-preventing plate, by which it can be predicted whether a thin film layer formed on the deposition-preventing plate will be delaminated. Also provided is a method for evaluating a deposition process of an organic material, using the apparatus.
    Type: Grant
    Filed: August 26, 2017
    Date of Patent: November 26, 2019
    Assignees: SFC CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Wan Pyo, Oun-Gyu Lee, Young-Hwan Park, Myeong-Suk Kim, Soung Wook Kim
  • Publication number: 20180123055
    Abstract: The present invention relates to an anthracene derivative selected from among compounds represented by Chemical Formulas A-1, A-2, B-1, and B-2, and an organic light-emitting device including the same. Structures of individual moieties in the anthracene derivative are as defined in the specification.
    Type: Application
    Filed: April 15, 2016
    Publication date: May 3, 2018
    Inventors: Seok-Bae PARK, Hee-Dae KIM, Yoona SHIN, Sang-woo PARK, Soon-Wook CHA, Young-Hwan PARK, Sei-Yeon YOON, Sung-Wan PYO
  • Publication number: 20180056326
    Abstract: Disclosed is an apparatus for evaluation of a deposition process in organic thin film-manufacturing processes using a chamber employing a deposition-preventing plate, by which it can be predicted whether a thin film layer formed on the deposition-preventing plate will be delaminated. Also provided is a method for evaluating a deposition process of an organic material, using the apparatus.
    Type: Application
    Filed: August 26, 2017
    Publication date: March 1, 2018
    Inventors: Sung-Wan PYO, Oun-Gyu Lee, Young-Hwan Park
  • Publication number: 20170141321
    Abstract: Disclosed herein is an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and an electron-blocking layer and a light-emitting layer sequentially interposed between the first electrode and the second electrode, wherein the light-emitting layer comprises at least one of the amine compounds represented by the following Chemical Formula A or B, and the electron-blocking layer comprises the compound represented by the following Chemical Formula C. Chemical Formulas A, B and C are as described in the Specification.
    Type: Application
    Filed: October 26, 2016
    Publication date: May 18, 2017
    Inventors: Sung-Wan Pyo, So Young Shim, Yun-Ah Lee, Se Jin Yu
  • Publication number: 20170133600
    Abstract: Disclosed herein is an organic light-emitting diode capable of operating at a low voltage with high efficiency. It comprises: a first electrode; a second electrode facing the first electrode; and a light-emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer comprises at least one of the amine compounds represented by the following Chemical Formula A or B, and the compound represented by the following Chemical Formula C. Chemical Formulas A, B and C are as described in the Specification.
    Type: Application
    Filed: October 26, 2016
    Publication date: May 11, 2017
    Inventors: Sung-Wan Pyo, So Young Shim, Yun-Ah Lee, Se Jin Yu
  • Publication number: 20170012214
    Abstract: Disclosed herein is an organic light-emitting diode, comprising: an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; a light-emitting layer intercalated between the first electrode and the second electrode, wherein the light-emitting layer comprises at least one of the amine compounds represented by Chemical Formula A or B, and at least one of the anthracene compounds represented by Chemical Formula C.
    Type: Application
    Filed: July 5, 2016
    Publication date: January 12, 2017
    Inventors: Sung-Wan Pyo, So Young Shim, Se Jin Yu
  • Patent number: 9439432
    Abstract: Provided are an ortho-substituted phenylisoxazoline-based compound with 2,6-difluorobenzyloxymethyl represented by Formula 1, or a racemate or enantiomer thereof, a herbicide including the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof as an active ingredient, and a method of selectively controlling grass weed comprising treating with the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof before or after the grass weed emerges.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: September 13, 2016
    Assignees: MOGHU RESEARCH CENTER LTD, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Kwan Ko, Gyu Hwan Yon, Jae Wook Ryu, Dong Wan Koo, Jun Ho Nam, Sung Wan Pyo, Jae Min Hwang, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Man Seok Jeon, Nam Gyu Cho, Sung Hun Kim, Jong Su Lim, Kun Hoe Chung
  • Publication number: 20140256553
    Abstract: Provided are an ortho-substituted phenylisoxazoline-based compound with 2,6-difluorobenzyloxymethyl represented by Formula 1, or a racemate or enantiomer thereof, a herbicide including the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof as an active ingredient, and a method of selectively controlling grass weed comprising treating with the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof before or after the grass weed emerges.
    Type: Application
    Filed: May 18, 2012
    Publication date: September 11, 2014
    Applicants: MOGHU RESEARCH CENTER LTD., KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Kwan Ko, Gyu Hwan Yon, Jae Wook Ryu, Dong Wan Koo, Jun Ho Nam, Sung Wan Pyo, Jae Min Hwang, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Man Seok Jeon, Nam Gyu Cho, Sung Hun Kim, Jong Su Lim, Kun Hoe Chung